Track element



FIG. 1 is a top perspective view of the track element of the present design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof.

The broken lines represent portions of the design that form no part of the claim. 

CLAIM The ornamental design for a track element, as shown and described. 